## Intermediate Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 1 - Section 1.7 - Scientific Notation - Exercise Set - Page 91: 97

set 1

#### Work Step by Step

set 1: {$(1, 5), (2, 5)$} set 2: {$(5, 1), (5, 2)$} Points in a cartesian coordinate plane is usually written in ordered pair $x,y$. Set 1: In point (1,5), x=1 while y=5 In point (2,5), x=2 while y=5 Set 2: In point (5,1), x=5 while y=1 In point (5,2), x=5 while y=2 Thus, the set where x-coordinate is paired with only one y-coordinate is set 1 since it has the same value for $y$.

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